82 lines
1.9 KiB
Python
82 lines
1.9 KiB
Python
#
|
|
#
|
|
#
|
|
|
|
from logging import getLogger as _Logger
|
|
_l = _Logger('pairing')
|
|
|
|
|
|
state = None
|
|
|
|
class State(object):
|
|
TICK = 300
|
|
PAIR_TIMEOUT = 60 * 1000 / TICK
|
|
|
|
def __init__(self, watcher):
|
|
self._watcher = watcher
|
|
self.reset()
|
|
|
|
def device(self, number):
|
|
return self._watcher.receiver.devices.get(number)
|
|
|
|
def reset(self):
|
|
self.success = None
|
|
self.detected_device = None
|
|
self._countdown = self.PAIR_TIMEOUT
|
|
|
|
def countdown(self, assistant):
|
|
if self._countdown == self.PAIR_TIMEOUT:
|
|
self.start_scan()
|
|
self._countdown -= 1
|
|
return True
|
|
|
|
if self._countdown < 0:
|
|
return False
|
|
|
|
self._countdown -= 1
|
|
if self._countdown > 0 and self.success is None:
|
|
return True
|
|
|
|
self.stop_scan()
|
|
assistant.scan_complete(assistant, self.detected_device)
|
|
return False
|
|
|
|
def start_scan(self):
|
|
self.reset()
|
|
self._watcher.receiver.events_filter = self.filter_events
|
|
reply = self._watcher.receiver.request(0xFF, b'\x80\xB2', b'\x01')
|
|
_l.debug("start scan reply %s", repr(reply))
|
|
|
|
def stop_scan(self):
|
|
if self._countdown >= 0:
|
|
self._countdown = -1
|
|
reply = self._watcher.receiver.request(0xFF, b'\x80\xB2', b'\x02')
|
|
_l.debug("stop scan reply %s", repr(reply))
|
|
self._watcher.receiver.events_filter = None
|
|
|
|
def filter_events(self, event):
|
|
if event.devnumber == 0xFF:
|
|
if event.code == 0x10:
|
|
if event.data == b'\x4A\x01\x00\x00\x00':
|
|
_l.debug("receiver listening for device wakeup")
|
|
return True
|
|
if event.data == b'\x4A\x00\x01\x00\x00':
|
|
_l.debug("receiver gave up")
|
|
self.success = False
|
|
return True
|
|
return False
|
|
|
|
if event.devnumber in self._watcher.receiver.devices:
|
|
return False
|
|
|
|
_l.debug("event for new device? %s", event)
|
|
if event.code == 0x10 and event.data[0:2] == b'\x41\x04':
|
|
self.detected_device = self._watcher.receiver.make_device(event)
|
|
return True
|
|
|
|
return True
|
|
|
|
def unpair(self, number):
|
|
_l.debug("unpair %d", number)
|
|
self._watcher.receiver.unpair_device(number)
|